Class 12 Exam > Class 12 Questions > Consider following solutions -I : 1 M a gluco...
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Consider following solutions -
I : 1 M a glucose II. : 1 M a sodium chloride
III. : 1 M benzoic acid in benzene IV. : 1 M ammonium phosphate
Select incorrect statement -
- a)All are isotonic solutions
- b)III is hypotonic of I, II, IV
- c)I, II, IV are hypertonic of III
- d)IV is hypertonic of I, II, III
Correct answer is option 'A'. Can you explain this answer?
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Verified Answer
Consider following solutions -I : 1 M a glucose II. : 1 M a sodium chl...
(A) All solutions are not isotonic because all solution are not at equal concentration so (A) is incorrect
(B) As benzoic acid dimerises so III is hypotonic of I, II, IV
(C) Is also correct as I, II & IV are hypertonic of III
(D) As ammoniun sulphate has maximum number of particale so it will be hypertonic of I, II, III
(B) As benzoic acid dimerises so III is hypotonic of I, II, IV
(C) Is also correct as I, II & IV are hypertonic of III
(D) As ammoniun sulphate has maximum number of particale so it will be hypertonic of I, II, III
Most Upvoted Answer
Consider following solutions -I : 1 M a glucose II. : 1 M a sodium chl...
Isotonic, Hypotonic, and Hypertonic Solutions
Before we discuss the incorrect statement, let's first define the terms isotonic, hypotonic, and hypertonic solutions:
- Isotonic solution: A solution with the same concentration of solutes as the cell or tissue it is being compared to. When a cell is placed in an isotonic solution, there is no net movement of water into or out of the cell.
- Hypotonic solution: A solution with a lower concentration of solutes than the cell or tissue it is being compared to. When a cell is placed in a hypotonic solution, water will move into the cell, causing it to swell or even burst.
- Hypertonic solution: A solution with a higher concentration of solutes than the cell or tissue it is being compared to. When a cell is placed in a hypertonic solution, water will move out of the cell, causing it to shrink.
Incorrect Statement
The incorrect statement is option A - "All are isotonic solutions." Let's examine each solution to see why this statement is incorrect:
- Solution I: 1 M glucose - Glucose is a solute that can move across cell membranes, so when a cell is placed in a 1 M glucose solution, water will move into or out of the cell depending on the concentration of glucose inside the cell. Therefore, this solution is not necessarily isotonic.
- Solution II: 1 M sodium chloride - Sodium chloride is also a solute that can move across cell membranes, so when a cell is placed in a 1 M sodium chloride solution, water will move into or out of the cell depending on the concentration of sodium and chloride ions inside the cell. Therefore, this solution is not necessarily isotonic.
- Solution III: 1 M benzoic acid in benzene - Benzoic acid is not a solute that can readily move across cell membranes, so when a cell is placed in a 1 M benzoic acid/benzene solution, water will not move into or out of the cell. Therefore, this solution is isotonic.
- Solution IV: 1 M ammonium phosphate - Ammonium phosphate is a solute that can move across cell membranes, so when a cell is placed in a 1 M ammonium phosphate solution, water will move into or out of the cell depending on the concentration of ammonium and phosphate ions inside the cell. Therefore, this solution is not necessarily isotonic.
Conclusion
In summary, option A is incorrect because not all of the solutions listed are isotonic. Solution III is isotonic, but solutions I, II, and IV are not necessarily isotonic.
Before we discuss the incorrect statement, let's first define the terms isotonic, hypotonic, and hypertonic solutions:
- Isotonic solution: A solution with the same concentration of solutes as the cell or tissue it is being compared to. When a cell is placed in an isotonic solution, there is no net movement of water into or out of the cell.
- Hypotonic solution: A solution with a lower concentration of solutes than the cell or tissue it is being compared to. When a cell is placed in a hypotonic solution, water will move into the cell, causing it to swell or even burst.
- Hypertonic solution: A solution with a higher concentration of solutes than the cell or tissue it is being compared to. When a cell is placed in a hypertonic solution, water will move out of the cell, causing it to shrink.
Incorrect Statement
The incorrect statement is option A - "All are isotonic solutions." Let's examine each solution to see why this statement is incorrect:
- Solution I: 1 M glucose - Glucose is a solute that can move across cell membranes, so when a cell is placed in a 1 M glucose solution, water will move into or out of the cell depending on the concentration of glucose inside the cell. Therefore, this solution is not necessarily isotonic.
- Solution II: 1 M sodium chloride - Sodium chloride is also a solute that can move across cell membranes, so when a cell is placed in a 1 M sodium chloride solution, water will move into or out of the cell depending on the concentration of sodium and chloride ions inside the cell. Therefore, this solution is not necessarily isotonic.
- Solution III: 1 M benzoic acid in benzene - Benzoic acid is not a solute that can readily move across cell membranes, so when a cell is placed in a 1 M benzoic acid/benzene solution, water will not move into or out of the cell. Therefore, this solution is isotonic.
- Solution IV: 1 M ammonium phosphate - Ammonium phosphate is a solute that can move across cell membranes, so when a cell is placed in a 1 M ammonium phosphate solution, water will move into or out of the cell depending on the concentration of ammonium and phosphate ions inside the cell. Therefore, this solution is not necessarily isotonic.
Conclusion
In summary, option A is incorrect because not all of the solutions listed are isotonic. Solution III is isotonic, but solutions I, II, and IV are not necessarily isotonic.
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Consider following solutions -I : 1 M a glucose II. : 1 M a sodium chlorideIII. : 1 M benzoic acid in benzene IV. : 1 M ammonium phosphateSelect incorrect statement -a)All are isotonic solutionsb)III is hypotonic of I, II, IVc)I, II, IV are hypertonic of IIId)IV is hypertonic of I, II, IIICorrect answer is option 'A'. Can you explain this answer?
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Consider following solutions -I : 1 M a glucose II. : 1 M a sodium chlorideIII. : 1 M benzoic acid in benzene IV. : 1 M ammonium phosphateSelect incorrect statement -a)All are isotonic solutionsb)III is hypotonic of I, II, IVc)I, II, IV are hypertonic of IIId)IV is hypertonic of I, II, IIICorrect answer is option 'A'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Consider following solutions -I : 1 M a glucose II. : 1 M a sodium chlorideIII. : 1 M benzoic acid in benzene IV. : 1 M ammonium phosphateSelect incorrect statement -a)All are isotonic solutionsb)III is hypotonic of I, II, IVc)I, II, IV are hypertonic of IIId)IV is hypertonic of I, II, IIICorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider following solutions -I : 1 M a glucose II. : 1 M a sodium chlorideIII. : 1 M benzoic acid in benzene IV. : 1 M ammonium phosphateSelect incorrect statement -a)All are isotonic solutionsb)III is hypotonic of I, II, IVc)I, II, IV are hypertonic of IIId)IV is hypertonic of I, II, IIICorrect answer is option 'A'. Can you explain this answer?.
Consider following solutions -I : 1 M a glucose II. : 1 M a sodium chlorideIII. : 1 M benzoic acid in benzene IV. : 1 M ammonium phosphateSelect incorrect statement -a)All are isotonic solutionsb)III is hypotonic of I, II, IVc)I, II, IV are hypertonic of IIId)IV is hypertonic of I, II, IIICorrect answer is option 'A'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Consider following solutions -I : 1 M a glucose II. : 1 M a sodium chlorideIII. : 1 M benzoic acid in benzene IV. : 1 M ammonium phosphateSelect incorrect statement -a)All are isotonic solutionsb)III is hypotonic of I, II, IVc)I, II, IV are hypertonic of IIId)IV is hypertonic of I, II, IIICorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider following solutions -I : 1 M a glucose II. : 1 M a sodium chlorideIII. : 1 M benzoic acid in benzene IV. : 1 M ammonium phosphateSelect incorrect statement -a)All are isotonic solutionsb)III is hypotonic of I, II, IVc)I, II, IV are hypertonic of IIId)IV is hypertonic of I, II, IIICorrect answer is option 'A'. Can you explain this answer?.
Solutions for Consider following solutions -I : 1 M a glucose II. : 1 M a sodium chlorideIII. : 1 M benzoic acid in benzene IV. : 1 M ammonium phosphateSelect incorrect statement -a)All are isotonic solutionsb)III is hypotonic of I, II, IVc)I, II, IV are hypertonic of IIId)IV is hypertonic of I, II, IIICorrect answer is option 'A'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 12.
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ample number of questions to practice Consider following solutions -I : 1 M a glucose II. : 1 M a sodium chlorideIII. : 1 M benzoic acid in benzene IV. : 1 M ammonium phosphateSelect incorrect statement -a)All are isotonic solutionsb)III is hypotonic of I, II, IVc)I, II, IV are hypertonic of IIId)IV is hypertonic of I, II, IIICorrect answer is option 'A'. Can you explain this answer? tests, examples and also practice Class 12 tests.
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